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磺胺类药物是一组抗菌谱广泛的抗菌药物。它与抗菌素不同，是用化学方法合成的，生产不用粮食（而生产一吨抗菌素需用粮三十吨左右），供应较为充足，价格低廉，且其稳定性较强，片剂可贮存多年不易变质；又由于近年来陆续合成了一些高效、长效而毒性低、副作用小的磺胺药，还发现了
Sulfa drugs are a broad spectrum of antibacterial drugs. It is different from antibiotics, is chemically synthesized, the production of non-food (and the production of a ton of antibiotics require about thirty tons of grain), the supply is more adequate, the price is low, and its stability is strong, the tablet can be stored for many years is not easy Metamorphism; and in recent years have gradually synthesized a number of efficient, long-acting and low toxicity, side effects of small sulfa drugs, also found